Home / 1,225,558.40-1,838,440.50-372,637.46

Finding the Fourth Proportional to 1,225,558.40, 1,838,440.50 and 372,637.46

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Solution

The fourth proportional to 1,225,558.40, 1,838,440.50 and 372,637.46 is: 558,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,558.40 : 1,838,440.50 = 372,637.46 : x
  2. Step 2: Convert to fraction form
    1,225,558.40/1,838,440.50 = 372,637.46/x
  3. Step 3: Cross multiply
    1,225,558.40x = 1,838,440.50 × 372,637.46
  4. Step 4: Simplify right side
    1,225,558.40x = 685,071,789,088.93
  5. Step 5: Solve for x
    x = 685,071,789,088.93/1,225,558.40
  6. Step 6: Final answer
    x = 558,987.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.